/*
 *  Copyright 2012 yura.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package org.opu.pc.publications_analysis;

import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.opu.pc.domain.domains.Publication;

/**
 *
 * @author yura
 */
public class FileProcessManager {

    private Map<String, FileProcessor> processors
            = new HashMap<String, FileProcessor>();

    public void addFileProcessor(FileProcessor processor){
        String pName = processor.getName();

        if (processors.containsKey(pName)){
            throw new IllegalArgumentException("Processor " + pName + " already"
                    + " added.");
        }

        processors.put( pName, processor);
    }

    public Publication processFile(InputStream file, String type,
            StringBuffer document, int lineNum) throws IOException{
        if (!processors.containsKey(type)){
            throw new IllegalArgumentException("Processor " + type + " don not "
                    + "exist.");
        }

        return processors.get(type).processFile(file, document, lineNum);
    }

    public List<String> getDocumentTypes(){
        return new ArrayList<String>(processors.keySet());
    }
}
